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Andy Murray will be required to conjure up more of his remarkable powers of recovery if he is to make it through to the semi-finals of the ATP World Tour Finals on Friday. Having beaten Marin Cilic and Kei Nishikori, the world No 1 only needs to win a set against Stan Wawrinka to guarantee his passage through to the semi-finals at the O2 Arena for the first time since 2012. Six months half price Upgrade to Sky Sports to watch Man Utd v Arsenal on Saturday and get the first six months half price But he will have to drag his weary body through another tough test as an explosive season finale draws ever closer. World No 3 Wawrinka showed much better form in beating Cilic on Wednesday than he had in his limp loss to Nishikori and the Swiss knows that a straight-sets win over Murray would maintain his record of always reaching the last four. Sky Live: Murray v Wawrinka Andy Murray takes on Stan Wawrinka at ATP World Tour Finals Nothing comes easy against the very best players in the world, let alone against the US Open champion who has suddenly clicked in London - something Sky Sports analyst Mark Petchey acknowledges.Wawrinka is always the wildcard in the pack, hes the guy that when hes confident, hes got the power to get through tough surfaces and he does a lot of things well, said Petchey. He moves better than people give him credit for and as I say it was an intelligent performance with the use of the slice. Its not just about the power and the showbiz tennis. Wawrinka beat Murray at the Tour Finals in London last year Friday will be the 17th meeting between the pair, with Murray leading the head-to-head record 9-7, and when they do clash, sparks usually fly.Wawrinka, who sealed his first major title at the 2014 Australian Open before winning an ATP Tour 500 and 1000 event, last faced the Scot in the French Open semi-finals.That was one of Murrays most impressive performances of the season and ended a run of three straight losses to Wawrinka, including at the O2 last year with qualification at stake. Murray also suffered a 6-1 6-2 defeat to Wawrinka at the Monte Carlo Masters in 2013 Wawrinka, who faces a battle to hold on to the world No 3 ranking, said: All I know is, if I want to have a chance to qualify, I need to win. Thats all Im trying to do.Im going to try to play my best tennis, to beat the world No 1. Its going to be a tough match. We played each other many times. Live Tennis: ATP World Tour Finals November 18, 2016, 12:00pm Live on Get Sky Sports Get a Sky Sports pass The hardcourt surface at the O2 Arena will suit Wawrinkas heavy hitting style of game from both flanks, but hell have a job breaking down a resilient Murray. The 29-year-old is a totally different prospect to the one he faced in the US Open quarter-finals and Monte Carlo Masters in 2013.Arguably the most famous meeting between the two came under the Wimbledon lights in 2009 in a contest lasting three minutes short of four hours, which the Scot won in dramatic fashion. Could it more of the same on Friday? Mark Petchey and Greg Rusedski discuss Murray’s epic win over Nishikori and his chances against Wawrinka Obviously its going to be a tough match, said Petchey. Theyve had a lot of tough matches in the past and this will be another one.Andy is the form player right now and Im sure inside hes feeling pretty invincible every match he steps out on court. WATCH: Murrays double take Andy Murrays remarkable winner against Kei Nishikori was reminiscent of his winner in Rome Weve got a couple of guys out here who are Grand Slam champions who both believe they can win every single match they step out on court with, no matter who theyre playing, where theyre playing in the world, on what surface theyre playing in the world.So both of those players are going to go into that clash on Friday believing and knowing at the moment they still need to win it. Murrays service syndrome over? Andy Murrays service syndrome may be a thing of the past Should Murray win his group, he would play Milos Raonic in the semi-finals on Saturday in a repeat of their Wimbledon final and Australian Open semi-final. Let battle commence...Check our game-by-game coverage from all group matches at the ATP World Tour Finals in London - including Andy Murray v Stan Wawrinka on Friday afternoon - on skysports.com/tennis, our app for mobile devices and iPad and our Twitter account @skysportstennis. Upgrade to Sky Sports now to watch Man Utd v Arsenal this Saturday and get the first six months half price! Also See: Murray beats Nishikori in epic WATCH: Murrays double take One of the best matches ever Wawrinka keeps hopes alive Adidas Shoes Australia Sale . However, the 38-year-old is in no hurry to sign with another team. "Im not in a rush. This will be my last contract, so I want to do it right," said Burris on Thursday. Cheap Adidas Shoes Australia Online . -- James Harden scored 31 points, including 25 in the second half, and the Houston Rockets dug out of a double-digit, first-half hole to beat the Orlando Magic 101-89 on Wednesday night. http://www.cheapshoesadidasaustralia.com/ . On Thursday theyll learn even more. Despite the cloud of uncertainty that has followed them around from the moment general manager Masai Ujiri was brought in to put his stamp on the franchise, the Raptors have surpassed all pre-season expectations. Cheap Adidas Online Australia . He had spent 16 days on the disabled list before being activated Thursday. He was batting just .203 when he came to bat in the 11th inning on Sunday. Cheap Adidas Shoes Australia .7 million, one-year contract.The deal, announced Friday, includes a $50,000 performance bonus if the left-hander appears in 60 games.HARRISON, N.J. - Thierry Henry had three assists and the go-ahead goal Saturday night, leading the New York Red Bulls to a 4-1 victory over the Columbus Crew. Henry scored in the 45th minute when he nonchalantly floated the ball just inside the far post. Crew goalkeeper Steve Clark was out of position after blocking Bradley Wright-Phillips header, and then another shot was blocked by a defender. The Red Bulls (5-5-8) opened the scoring in the 17th minute whenn Henry set up an easy tap-in for Wright-Phillips MLS-leading 15th goal of the season.dddddddddddd Columbus (4-6-8) answered in the 39th minute when Adam Bedell scored his first MLS goal. Henry then teamed with Lloyd Sam on a give-and-go in the 56th minute, and set up Eric Alexander on a breakaway in the 91st minute. The third assist gave Henry 37 for his career in New York, moving him past Tab Ramos and Amado Guevara for the franchise lead. ' ' '